Regular Expressions 101

Pro

Positive Lookahead(?=.*[a-zA-Z])

.*any character (except for line terminators), repeated any number of times

Character Class[a-zA-Z]

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

Group 1(\S+-\S+-\S+)

\S+any non-whitespace character, repeated at least once

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\S+any non-whitespace character, repeated at least once

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\S+any non-whitespace character, repeated at least once

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

25 tokens

(?=.*[a-zA-Z])(\S+-\S+-\S+)

New

This 1-A16-19 person is BL-17-1111 and other
dont Z-1-12 do here but NOT 12-24-1981
numbers: 1A-256-29Q88 ok